Patson marketing services is a distributor of os & y type gate valves, manufactured by trishul valves. The construction of the gate valve is of bolted bonnet, outside screw and yoke, rising spindle type with solid/flexible/split wedge. Technical specifications: size ranges from 25 to 300 mm, pressure class 150, 300 and 600 class. The end connection is flanged to is 1538/bs 10/bs 4504/ansi b 16.5 and material of construction is cast iron to is 210 grade fg 200, cast carbon steel to astma 216 grade wcb, cast stainless steel to astm a 351, grade cf8/cf 8m/cf 8c and other standard grades.
